22544045 has 8 divisors (see below), whose sum is σ = 27379296. Its totient is φ = 17817616.

The previous prime is 22544033. The next prime is 22544047. The reversal of 22544045 is 54044522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22544045 - 2⁴ = 22544029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22544047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26747 + ... + 27576.

It is an arithmetic number, because the mean of its divisors is an integer number (3422412).

Almost surely, 2^22544045 is an apocalyptic number.

It is an amenable number.

22544045 is a deficient number, since it is larger than the sum of its proper divisors (4835251).

22544045 is an equidigital number, since it uses as much as digits as its factorization.

22544045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54411.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 22544045 is about 4748.0569710146. The cubic root of 22544045 is about 282.4949016231.

Adding to 22544045 its reverse (54044522), we get a palindrome (76588567).

The spelling of 22544045 in words is "twenty-two million, five hundred forty-four thousand, forty-five".